<?php

class haywan{
    public $a="bu bolsa haywan";

    public function echo_a{
        echo $this->a;
    }
}

class koy{
    public function  run(){
        echo "bu koy magalaydu";
    }
    public function a(){
        echo "ot qup yalaydu";
    }
}



$koy=new koy();
$koy->run();
?>